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題 名 | 評估踝關節不穩定運動員在功能性著地動作的動態姿勢穩定能力=Evaluation of Dynamic Postural Stability during Functional Landing in Athletes with Chronic Ankle Instability |
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作 者 | 林建志; 戴偉勳; 陳郁婷; 李恆儒; | 書刊名 | 大專體育學刊 |
卷 期 | 21:2 2019.06[民108.06] |
頁 次 | 頁156-172 |
分類號 | 528.9012 |
關鍵詞 | 坎伯蘭踝關節不穩定問卷; 著地力量; 負荷率; 平衡; Cumberland ankle instability tool; Landing force; Loading rate; Balance; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究目的在以不同踝關節扭傷程度運動員進行前跳著地的功能性動作檢測,探討長期踝關節不穩定、潛在族群與健康運動員的姿勢穩定能力,以坎伯蘭踝關節不穩定問卷為研究工具,招募30位大專運動員,以每組10人分別納入踝關節不穩定組、潛在組與健康組進行前跳著地動作,要求實驗參與者以躍起後單腳著地平衡5秒鐘,蒐集相關力學參數後分析健康組、潛在組與不穩定組之各項資料。研究結果發現健康組顯示較大的足底壓力中心晃動位移與速度、垂直指數與整體指數,並具有較大的垂直著地力量,形成著地負荷率顯著提升,而踝關節不穩定運動員能有效降低著地負荷率與力量峰值,促使較佳的姿勢穩定能力,顯示不穩定組存在特殊的著地緩衝策略。研究結論指出不穩定運動員在康復後已整合出一套特殊的關節間協調策略,有利於著地時姿勢穩定平衡。 |
英文摘要 | In this study, athletes with different levels of ankle sprains were asked to perform the functional forward jump, and examined the postural stabilities of groups of the chronic ankle instability (CAI), copers, and healthy athletes. Thirty collegiate division I athletes were participated and filled up the Cumberland Ankle Instability Tool. Athletes were equally assigned into three groups, including CAI, coper, and healthy groups. Participants were asked to jump forward, followed with a single-leg landing and maintained balance for 5 seconds. After collecting the related biomechanical data, the differences of postural stability parameters during jump-landing among the CAI, coper, and healthy groups were analyzed. The results showed that the healthy group had higher excursion displacement, the velocity of the center of pressure, vertical indices, total indices, greater vertical ground reaction force, and higher loading rate at landing than other two groups. We found athletes in the CAI group performed task with specific strategies, using lower landing force, loading rate, and less variability of postural control. These findings conclude that athletes with CAI develop a safer and stable landing pattern in order to maintain the postural stability. Furthermore, athletes with CAI adopted a unique joint coordination strategy, which provide a better control of dynamic postural stability during dynamic landing task. |
本系統中英文摘要資訊取自各篇刊載內容。